Finding the Third Proportional to 56,512.13 and 88,183.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,512.13 : 88,183.69 = 88,183.69 : x
2. Step 2: Convert to fraction form
   56,512.13/88,183.69 = 88,183.69/x
3. Step 3: Cross multiply
   56,512.13x = 88,183.69 × 88,183.69
4. Step 4: Simplify right side
   56,512.13x = 7,776,362,741.10
5. Step 5: Solve for x
   x = 7,776,362,741.10/56,512.13
6. Step 6: Final answer
   x = 137,605.21